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Crustaceans
Usually considered as a subphylum, Crustaceans comprise a group of arthropods including crabs, crayfish, lobsters and shrimp. Most crustaceans are aquatic animals, though some are terrestrial, parasitic and barnacles. Crustaceans have a chitinous exoskeleton, segmented body, and paired jointed limbs.
1,209 Questions
Some microscopic predators such as Hydra along with the larval stages of some insects and also fish fry fed on daphnia.
What is the kingdom phylum class order family genus and species of daphnia?
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Branchiopoda
Order: Cladocera
Family: Daphniidae
Genus: Daphnia
Species: Two most common ones are D. pulex and D. magna
How does the shape of a crayfish maxillipeds differ from its walking legs?
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No,
they are crustaceans, not fish .
they are invertabrates.
No, a lobster has an exoskeleton (outer shell). An endoskeleton
is an internal skeleton (as in humans and other mammals).
A bauplan is a plan of the essential elements of the bodies of a related group of organisms.
What skin does a lobster have?
The lobster skin is also its skeleton... called an exoskeleton. It is made of a tough protein called chitin, similar in function to hair, fingernails, claws, hooves, beaks, etc. Usually lobsters further harden it using a process called biomineralization.
Because it isn't flexible, the lobster needs to shed it completely (moult) in order to grow.
Phytoplankton are producers. They are like plants. They take in light and water and nutrients and put out energy. Phytoplankton do not eat any organisms, although they can cause things like red tides which would make it deabtable whether or not they are the direct cause of death.
Can you keep a crayfish as a pet?
Yes, there are several species of freshwater crayfish available in the pet trade. A single crayfish can be kept in a 10-15 gallon or larger tank.
No, Daphnia can not eat Hydra, Because the Hydra has tentacles to capture the Daphnia and eat it. The Daphnia therefore can not get free which means the Hydra can eat the Daphnia. The Hydra therefore has more force and can eat the Daphnia. Your answer is NO.
Organisms that have no definite shape 0 lines of symmetry?
Organisms that are considered to be simple, such as corals, sponges, urchins, many bacteria and protists all lack bilateral symmetry. The symmetry of these animals is one of the ways they are distinguished from each other and classified into groups.
Mucus is typically used for trapping dust particles and bacteria, so where mucus itself is pretty sterile, there's all sorts of gunk attached to it.
